docs: def initialize(self, action):
          # type: (CliContext, settings.TransferAction) -> None
          """Initialize context
          :param CliContext self: this
          :param settings.TransferAction action: transfer action
          """
          self._init_config()
          self.general_options = settings.create_general_options(
              self.config, action)
          self.credentials = settings.create_azure_storage_credentials(
              self.config, self.general_options)